Extend a surface a certain distance

1. Select the surface.
2. Choose Edit Curves > Extend > Extend Curve on Surface > .
3. Enter the distance you want to extend the curve. You can change the distance interactively in the attribute editor after you extend.
4. Do one of the following:
   • Click Tangent to add new isoparms as you extend.
   • Click Extrapolate to extend the shape without adding isoparms.
5. Choose which edge(s) you want to extend from.
   • Set Extend Side to Start, End, or Both.
   • Set Extend Direction to U, V, or Both.

   You can change the side controls interactively in the channel box or attribute editor after you extend.

6. Turn off Join to Original.
7. Click Extend.